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eimsori [14]
3 years ago
14

What are metals in chemistry

Chemistry
2 answers:
elena-14-01-66 [18.8K]3 years ago
6 0

usually referring to chemical elements that are solid

Masja [62]3 years ago
4 0

pononium ,and silver

Explanation:

hope it helped

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Which statement is true about a reversible reaction?
vredina [299]

Answer:

The products react to reform the original reactants

E.g. Haber process of ammonia production

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Can some help me do this we have a final tomorrow and i have now idea how to do it. Step by Step explanation and tips If you kno
Romashka-Z-Leto [24]

Answer:

87.27 grams

Explanation:

The mole ratio of nitrogen to hydrogen is 1:3; while that one of hydrogen to the products (ammonia) is 3:2

Thus if 3 moles of hydrogen gas produce 2 moles of ammonia gas

7.7 moles of hydrogen will produce:

(7.7moles×2)/3

77/15 moles

1 mole of ammonia gas has a mass of  14+3=17

since the mass of an atom of nitrogen is 14 while that of hydrogen atom is 1.

Therefore 77/15 moles will have a mass of

77/15 moles × 17=87.27 grams

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3 years ago
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I think it’s false : D
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Throwing a snow ball during a snow
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S. Erosion

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2 years ago
Distinguish between an absorption spectrum and an emission spectrum. With which did Bohr work?
Marianna [84]

Answer:

Bohr used emission spectrum for its mono atomic model....

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Emission Spectrum is produced when atoms are excited by energy. After excitation, they emit this energy in the form of different wavelengths according to the type of atom and produce a unique fingerprint of themselves called as it's emission spectrum.

Absorption Spectrum is a type of spectrum that is produces when photons of light are absorbed by electrons at one state. they jump to another state and may cause scattering. This produces a specific absorption spectrum for that specific atom.

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